Stars enjoy a girls' night out

Sheridan Smith, Jaime Winstone and Kate Nash had a girls' night out at the premiere of their new film, Powder Room.

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Jamie Winstone and Sheridan Smith attending the UK premiere of Powder Room

Sheridan Smith, Jaime Winstone and Kate Nash had a girls' night out at the premiere of their new film, Powder Room.

The film is set over one night out when Sam (Sheridan) realises her life is empty aside from her dysfunctional friends who include Jamie's character.

Sam meets up with an old university pal, played by Kate, and her friend (Oona Chaplin) who are both leading glamorous lives, prompting Sam into lying about her own achievements.

Mrs Biggs star Sheridan said of filming: "There were a lot of nights out - we're method, we wanted to get the reality of girls on a night out."

She also warned that her mum might be cringing at some of the scenes: "My mum's here tonight. I'm a bit worried about what she's going to make of some of it because it's a bit crude at times, but you know in the girls' toilets - we cry, we're sick, we call exes."

Sheridan admitted there were parts of the club toilet scenes that she could relate to: "I've got cringey moments from last week of me on nights out, I think every girl has. You never grow out of it until you settle down and have a family - even then when you go out on a girls' night out, you know what it's like when it's all girls together, all hell breaks loose."

Jamie agreed: "I think we've all had a little cry in the toilets or called an ex or drowned our sorrows."

Singer Kate, appearing in just her third acting role, said she had learned a lot from Sheridan and Jamie.

"Just watching them on set, I learned from that. They are such talented actresses, I watched them on screen since I was a teenager so it was really cool to see that in action and work with them."

Also on the red carpet at Powder Room's premiere at Cineworld, Haymarket in central London, were two more of the film's stars Riann Steele and Sarah Hoare, as well as director MJ Delany and producer Damian Jones.

Powder Room is due to be released in cinemas on December 6, 2013.